Party pies recipe with homemade tomato sauce

Ingredients

• 50 ml vegetable oil
• 550 gm braising beef such as oyster blade, cut into 2cm pieces
• For dusting: seasoned plain flour
• 120 gm mild pancetta, finely chopped
• 8 golden shallots, coarsely chopped
• 4 garlic cloves, finely chopped
• 125 ml red wine
• 600 ml beef stock
• 125 gm (½ cup) canned crushed tomatoes
• 2 tbsp thyme
• ½ tbsp Dijon mustard
• 1 tbsp Worcestershire sauce
• For eggwash: lightly beaten egg
• Mustard rough puff pastry
• 450 gm (3 cups) plain flour, plus extra for dusting
• ¾ tsp baking powder
• 300 gm butter, chilled, cut into 1cm pieces
• 60 gm (¼ cup) Dijon mustard
• Homemade tomato sauce
• 1 kg vine-ripened tomatoes, cored and coarsely chopped
• 150 ml malt vinegar
• ½ onion, finely chopped
• 2 garlic cloves, finely chopped
• 2 tsp Dijon mustard
• 1 tsp celery seeds
• 1 tsp finely grated ginger
• 1 clove
• ½ tsp ground allspice
• 55 gm (¼ cup) each brown sugar and caster sugar